Thermal tomography utilizing truncated Fourier series approximation of the heat diffusion equation

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• 作者：J.M. Toivanen^a ; ^{Jussi.Toivanen@uef.fi} ; T. Tarvainen^a ; ^b ; J.M.J. Huttunen^a ; T. Savolainen^a ; A. Pulkkinen^a ; H.R.B. Orlande^c ; J.P. Kaipio^a ; ^d ; V. Kolehmainen^a
• 关键词：Thermal tomography ; Truncated Fourier series approximation ; Inverse problem ; Thermal conductivity ; Volumetric heat capacity ; Surface heat transfer coefficient ; Non-destructive testing
• 刊名：International Journal of Heat and Mass Transfer
• 出版年：2017
• 出版时间：May 2017
• 年：2017
• 卷：108
• 期：part_PA
• 页码：860-867
• 全文大小：1813 K
• 卷排序：108

文摘

A truncated Fourier series approximation approach is used to speed up the computations of thermal tomography. The proposed approach is tested with simulated and laboratory measurement data. Image reconstruction time is significantly reduced with no significant loss of reconstruction accuracy.